1/* valausingdirective.vala 2 * 3 * Copyright (C) 2006-2008 Jürg Billeter 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 * Author: 20 * Jürg Billeter <j@bitron.ch> 21 */ 22 23using GLib; 24 25/** 26 * A reference to a namespace symbol. 27 */ 28public class Vala.UsingDirective : CodeNode { 29 /** 30 * The symbol of the namespace this using directive is referring to. 31 */ 32 public weak Symbol namespace_symbol { 33 get { 34 if (unresolved_symbol != null) { 35 return unresolved_symbol; 36 } 37 return _namespace_symbol; 38 } 39 set { 40 if (value is UnresolvedSymbol) { 41 unresolved_symbol = (UnresolvedSymbol) value; 42 _namespace_symbol = null; 43 } else { 44 _namespace_symbol = value; 45 unresolved_symbol = null; 46 } 47 } 48 } 49 50 weak Symbol _namespace_symbol; 51 UnresolvedSymbol unresolved_symbol; 52 53 /** 54 * Creates a new using directive. 55 * 56 * @param namespace_symbol namespace symbol 57 * @return newly created using directive 58 */ 59 public UsingDirective (Symbol namespace_symbol, SourceReference? source_reference = null) { 60 this.namespace_symbol = namespace_symbol; 61 this.source_reference = source_reference; 62 } 63 64 public override void accept (CodeVisitor visitor) { 65 visitor.visit_using_directive (this); 66 } 67} 68